185 lines
6.5 KiB
Plaintext
185 lines
6.5 KiB
Plaintext
# Copyright (C) 2005 Tresys Technology, LLC
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policy_module(authlogin,1.0)
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########################################
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#
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# Declarations
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#
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type remote_login_t; #, nscd_client_domain;
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kernel_make_object_identity_change_constraint_exception(remote_login_t)
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kernel_make_process_identity_change_constraint_exception(remote_login_t)
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kernel_make_role_change_constraint_exception(remote_login_t)
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domain_make_domain(remote_login_t)
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domain_make_file_descriptors_widely_inheritable(remote_login_t)
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authlogin_make_login_program_entrypoint(remote_login_t)
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role system_r types remote_login_t;
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type remote_login_tmp_t;
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files_make_temporary_file(remote_login_tmp_t)
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########################################
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#
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# Remote login remote policy
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#
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allow remote_login_t self:capability { dac_override chown fowner fsetid kill setgid setuid net_bind_service sys_nice sys_resource sys_tty_config };
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allow remote_login_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
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allow remote_login_t self:process { setrlimit setexec };
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allow remote_login_t self:fd use;
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allow remote_login_t self:fifo_file { read getattr lock ioctl write append };
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allow remote_login_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow remote_login_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow remote_login_t self:unix_dgram_socket sendto;
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allow remote_login_t self:unix_stream_socket connectto;
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allow remote_login_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write };
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allow remote_login_t self:sem { associate getattr setattr create destroy read write unix_read unix_write };
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allow remote_login_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write };
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allow remote_login_t self:msg { send receive };
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allow remote_login_t remote_login_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
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allow remote_login_t remote_login_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_tmp_data(remote_login_t, remote_login_tmp_t, { file dir })
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kernel_read_system_state(remote_login_t)
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kernel_read_kernel_sysctl(remote_login_t)
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kernel_get_selinuxfs_mount_point(remote_login_t)
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kernel_validate_selinux_context(remote_login_t)
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kernel_compute_selinux_access_vector(remote_login_t)
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kernel_compute_selinux_create_context(remote_login_t)
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kernel_compute_selinux_relabel_context(remote_login_t)
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kernel_compute_selinux_reachable_user_contexts(remote_login_t)
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# for SSP/ProPolice
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devices_get_pseudorandom_data(remote_login_t)
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filesystem_get_persistent_filesystem_attributes(remote_login_t)
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init_script_modify_runtime_data(remote_login_t)
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domain_read_all_entrypoint_programs(remote_login_t)
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files_read_general_system_config(remote_login_t)
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files_read_runtime_system_config(remote_login_t)
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files_list_home_directories(remote_login_t)
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files_read_general_application_resources(remote_login_t)
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libraries_use_dynamic_loader(remote_login_t)
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libraries_use_shared_libraries(remote_login_t)
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logging_send_system_log_message(remote_login_t)
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selinux_read_config(remote_login_t)
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selinux_read_default_contexts(remote_login_t)
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authlogin_check_password_transition(remote_login_t)
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authlogin_ignore_read_shadow_passwords(remote_login_t)
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authlogin_modify_login_records(remote_login_t)
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authlogin_modify_last_login_log(remote_login_t)
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authlogin_pam_execute(remote_login_t)
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authlogin_pam_console_manage_runtime_data(remote_login_t)
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miscfiles_read_localization(remote_login_t)
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ifdef(`TODO',`
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allow remote_login_t unpriv_userdomain:fd use;
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can_ypbind(remote_login_t)
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ifdef(`automount.te', `
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allow remote_login_t autofs_t:dir { search getattr };
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')
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allow remote_login_t bin_t:dir r_dir_perms;
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allow remote_login_t bin_t:notdevfile_class_set r_file_perms;
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allow remote_login_t sbin_t:dir r_dir_perms;
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allow remote_login_t sbin_t:notdevfile_class_set r_file_perms;
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if (read_default_t) {
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allow remote_login_t default_t:dir r_dir_perms;
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allow remote_login_t default_t:notdevfile_class_set r_file_perms;
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}
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# Read directories and files with the readable_t type.
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# This type is a general type for "world"-readable files.
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allow remote_login_t readable_t:dir r_dir_perms;
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allow remote_login_t readable_t:notdevfile_class_set r_file_perms;
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# Read /var, /var/spool
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allow remote_login_t { var_t var_spool_t }:dir search;
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# for when /var/mail is a sym-link
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allow remote_login_t var_t:lnk_file read;
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# Read /dev directories and any symbolic links.
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allow remote_login_t device_t:lnk_file r_file_perms;
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dontaudit remote_login_t sysfs_t:dir search;
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allow remote_login_t autofs_t:dir { search read getattr };
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allow remote_login_t mnt_t:dir r_dir_perms;
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if (use_nfs_home_dirs) {
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r_dir_file(remote_login_t, nfs_t)
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}
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if (use_samba_home_dirs) {
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r_dir_file(remote_login_t, cifs_t)
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}
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# FIXME: what is this for?
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ifdef(`xdm.te', `
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allow xdm_t remote_login_t:process signull;
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')
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ifdef(`crack.te', `
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allow remote_login_t crack_db_t:file r_file_perms;
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')
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# Permit login to search the user home directories.
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allow remote_login_t home_dir_type:dir search;
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# Write to /var/log/btmp
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allow remote_login_t faillog_t:file { append read write };
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# Search for mail spool file.
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allow remote_login_t mail_spool_t:dir r_dir_perms;
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allow remote_login_t mail_spool_t:file getattr;
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allow remote_login_t mail_spool_t:lnk_file read;
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allow remote_login_t mouse_device_t:chr_file { getattr setattr };
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ifdef(`targeted_policy',`
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unconfined_domain(remote_login_t)
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domain_auto_trans(remote_login_t, shell_exec_t, unconfined_t)
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')
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# Only permit unprivileged user domains to be entered via rlogin,
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# since very weak authentication is used.
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login_spawn_domain(remote_login, unpriv_userdomain)
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allow remote_login_t devpts_t:dir search;
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allow remote_login_t userpty_type:chr_file { setattr write };
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# Use the pty created by rlogind.
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ifdef(`rlogind.te', `
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allow remote_login_t rlogind_devpts_t:chr_file { setattr rw_file_perms };
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# Relabel ptys created by rlogind.
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allow remote_login_t rlogind_devpts_t:chr_file { relabelfrom relabelto };
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')
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# Use the pty created by telnetd.
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ifdef(`telnetd.te', `
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allow remote_login_t telnetd_devpts_t:chr_file { setattr rw_file_perms };
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# Relabel ptys created by telnetd.
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allow remote_login_t telnetd_devpts_t:chr_file { relabelfrom relabelto };
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')
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allow remote_login_t ptyfile:chr_file { getattr relabelfrom relabelto ioctl };
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# Allow remote login to resolve host names (passed in via the -h switch)
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can_resolve(remote_login_t)
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') dnl endif TODO
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